440562432126013 has 2 divisors, whose sum is σ = 440562432126014. Its totient is φ = 440562432126012.

The previous prime is 440562432125989. The next prime is 440562432126041. The reversal of 440562432126013 is 310621234265044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430590844966489 + 9971587159524 = 20750683^2 + 3157782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440562432126013 is a prime.

It is a super-2 number, since 2×440562432126013² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440562432126043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220281216063006 + 220281216063007.

It is an arithmetic number, because the mean of its divisors is an integer number (220281216063007).

Almost surely, 2^{440562432126013} is an apocalyptic number.

It is an amenable number.

440562432126013 is a deficient number, since it is larger than the sum of its proper divisors (1).

440562432126013 is an equidigital number, since it uses as much as digits as its factorization.

440562432126013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 440562432126013 in words is "four hundred forty trillion, five hundred sixty-two billion, four hundred thirty-two million, one hundred twenty-six thousand, thirteen".